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Aurora Club of North America (ACNA) Forum :: General Talk :: Aurora Performance :: Airbox gut??? 2nd Gen 4.0
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AuthorTopic: Airbox gut??? 2nd Gen 4.0 (Read 228 times)
raormrod
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Airbox gut??? 2nd Gen 4.0
« Thread Started on Oct 22, 2009, 10:21am »
Ok guys, I need your honest opinion.

Should I gut my airbox on my 2003 4.0? Does it make that big of a difference? Should I put a K&N filter in too?

If I should do it, how exactly do I? Does anyone have pics posted of how to do it with directions. The threads I am seeing are for the older model Auroras...I just dont want to ruin my car!!! :P
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Marc
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Re: Airbox gut??? 2nd Gen 4.0
« Reply #1 on Oct 22, 2009, 1:08pm »
Keep an eye on the thread mentioned below. Someone there says that he'll post pics of it soon.


http://aurorah.proboards.com/index.cgi?b....ad=18127&page=1
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Re: Airbox gut??? 2nd Gen 4.0
« Reply #2 on Oct 24, 2009, 2:48pm »
gutting your air box wont ruin your car every thing inside it is just there to make it quiet.
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Re: Airbox gut??? 2nd Gen 4.0
« Reply #3 on Oct 24, 2009, 3:00pm »
Robaurora01 posted pics of that mod today
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“The General is no longer a general. After stopping production of Oldsmobile, and now Pontiac, I’d say they’re now about a Lieutenant. And when they do away with Buick or file bankruptcy, which ever comes first, they’ll be reduced to a Private.” ........ http://www.eastvalleytribune.com/story/138979

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Re: Airbox gut??? 2nd Gen 4.0
« Reply #4 on Oct 24, 2009, 3:45pm »

Oct 22, 2009, 10:21am, raormrod wrote:
Should I gut my airbox on my 2003 4.0? Does it make that big of a difference? Should I put a K&N filter in too?

I would not call the difference "big". In fact, I'm not really sure I noticed a difference or if it was in my head.

If you can scan your car, you could monitor the MAP and MAF readings under WOT. Then remove the airbox and do it again. If there is no increased airflow or increased manifold pressure, it's not going to gain you anything.
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Re: Airbox gut??? 2nd Gen 4.0
« Reply #5 on Oct 24, 2009, 4:12pm »
IMO i dont think it actually does anything... I have done it myself and i was kinda disappointed, didnt seem to gain anything
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Re: Airbox gut??? 2nd Gen 4.0
« Reply #6 on Oct 24, 2009, 4:45pm »
Three words:

Cold Air Intake.
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Re: Airbox gut??? 2nd Gen 4.0
« Reply #7 on Oct 24, 2009, 4:50pm »

Oct 24, 2009, 4:45pm, xjsman89 wrote:
Three words:

Cold Air Intake.


Do you have any pics of that set up?
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Re: Airbox gut??? 2nd Gen 4.0
« Reply #8 on Oct 25, 2009, 3:10am »
I will in a week or so, I still have to install it. Randy has one setup right now but I have an idea that will blow his out of the water. ;D
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Re: Airbox gut??? 2nd Gen 4.0
« Reply #9 on Oct 25, 2009, 9:42am »

Oct 24, 2009, 4:45pm, xjsman89 wrote:
Three words:

Cold Air Intake.

The stock box is a cold air intake. The 2g intake box is fed from outside the engine compartment behind the headlight.
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raormrod
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Re: Airbox gut??? 2nd Gen 4.0
« Reply #10 on Oct 26, 2009, 10:12am »
It is kindof a cold air intake. It has a tube leading into the front fender. But it is of course restricted. Would be nice to make a custom cold air intake into the fron fender, but that would require some cutting and relocation of the PCM
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roxie60
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Re: Airbox gut??? 2nd Gen 4.0
« Reply #11 on Nov 7, 2009, 8:47pm »
you did the airbox gut on the Classic and saw no hp or mpg improvements?
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Re: Airbox gut??? 2nd Gen 4.0
« Reply #12 on Nov 8, 2009, 8:33pm »
If I ever find a junked Aurora in a salvage yard, I will be swapping back to the stock box. I hacked mine up to stuff a cone filter into it, and while satisfied with the results (pretty much an engine note mod), It just much cleaner with the stock configuration...
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Re: Airbox gut??? 2nd Gen 4.0
« Reply #13 on Nov 8, 2009, 8:48pm »
yep, think I'm going to stick w/ the stock filter
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bravehart
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Re: Airbox gut??? 2nd Gen 4.0
« Reply #14 on Nov 27, 2009, 4:08pm »

Oct 22, 2009, 10:21am, raormrod wrote:
Ok guys, I need your honest opinion.

Should I gut my airbox on my 2003 4.0? Does it make that big of a difference? Should I put a K&N filter in too?

If I should do it, how exactly do I? Does anyone have pics posted of how to do it with directions. The threads I am seeing are for the older model Auroras...I just dont want to ruin my car!!! :P


i took the divider out of my air box and imo it made quite a difference, i can really feel it on the expressway when passing cars.
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